drivers/gpu/drm/radeon/radeon_drv.c

   1 /**
   2  * \file radeon_drv.c
   3  * ATI Radeon driver
   4  *
   5  * \author Gareth Hughes <gareth@valinux.com>
   6  */
   7
   8 /*
   9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  10  * All Rights Reserved.
  11  *
  12  * Permission is hereby granted, free of charge, to any person obtaining a
  13  * copy of this software and associated documentation files (the "Software"),
  14  * to deal in the Software without restriction, including without limitation
  15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  16  * and/or sell copies of the Software, and to permit persons to whom the
  17  * Software is furnished to do so, subject to the following conditions:
  18  *
  19  * The above copyright notice and this permission notice (including the next
  20  * paragraph) shall be included in all copies or substantial portions of the
  21  * Software.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  29  * OTHER DEALINGS IN THE SOFTWARE.
  30  */
  31
  32 #include "drmP.h"
  33 #include "drm.h"
  34 #include "radeon_drm.h"
  35 #include "radeon_drv.h"
  36
  37 #include "drm_pciids.h"
  38 #include <linux/console.h>
  39
  40
  41 #if defined(CONFIG_DRM_RADEON_KMS)
  42 /*
  43  * KMS wrapper.
  44  */
  45 #define KMS_DRIVER_MAJOR        2
  46 #define KMS_DRIVER_MINOR        0
  47 #define KMS_DRIVER_PATCHLEVEL   0
  48 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
  49 int radeon_driver_unload_kms(struct drm_device *dev);
  50 int radeon_driver_firstopen_kms(struct drm_device *dev);
  51 void radeon_driver_lastclose_kms(struct drm_device *dev);
  52 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
  53 void radeon_driver_postclose_kms(struct drm_device *dev,
  54                                  struct drm_file *file_priv);
  55 void radeon_driver_preclose_kms(struct drm_device *dev,
  56                                 struct drm_file *file_priv);
  57 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
  58 int radeon_resume_kms(struct drm_device *dev);
  59 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
  60 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
  61 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
  62 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
  63 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
  64 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
  65 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
  66 int radeon_master_create_kms(struct drm_device *dev, struct drm_master *master);
  67 void radeon_master_destroy_kms(struct drm_device *dev,
  68                                struct drm_master *master);
  69 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
  70                          struct drm_file *file_priv);
  71 int radeon_gem_object_init(struct drm_gem_object *obj);
  72 void radeon_gem_object_free(struct drm_gem_object *obj);
  73 extern struct drm_ioctl_desc radeon_ioctls_kms[];
  74 extern int radeon_max_kms_ioctl;
  75 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
  76 #if defined(CONFIG_DEBUG_FS)
  77 int radeon_debugfs_init(struct drm_minor *minor);
  78 void radeon_debugfs_cleanup(struct drm_minor *minor);
  79 #endif
  80 #endif
  81
  82
  83 int radeon_no_wb;
  84 #if defined(CONFIG_DRM_RADEON_KMS)
  85 int radeon_modeset = -1;
  86 int radeon_dynclks = -1;
  87 int radeon_r4xx_atom = 0;
  88 int radeon_agpmode = 0;
  89 int radeon_vram_limit = 0;
  90 int radeon_gart_size = 512; /* default gart size */
  91 int radeon_benchmarking = 0;
  92 int radeon_testing = 0;
  93 int radeon_connector_table = 0;
  94 #endif
  95
  96 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
  97 module_param_named(no_wb, radeon_no_wb, int, 0444);
  98
  99 #if defined(CONFIG_DRM_RADEON_KMS)
 100 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
 101 module_param_named(modeset, radeon_modeset, int, 0400);
 102
 103 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
 104 module_param_named(dynclks, radeon_dynclks, int, 0444);
 105
 106 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
 107 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
 108
 109 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
 110 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
 111
 112 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
 113 module_param_named(agpmode, radeon_agpmode, int, 0444);
 114
 115 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
 116 module_param_named(gartsize, radeon_gart_size, int, 0600);
 117
 118 MODULE_PARM_DESC(benchmark, "Run benchmark");
 119 module_param_named(benchmark, radeon_benchmarking, int, 0444);
 120
 121 MODULE_PARM_DESC(test, "Run tests");
 122 module_param_named(test, radeon_testing, int, 0444);
 123
 124 MODULE_PARM_DESC(connector_table, "Force connector table");
 125 module_param_named(connector_table, radeon_connector_table, int, 0444);
 126 #endif
 127
 128 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 129 {
 130         drm_radeon_private_t *dev_priv = dev->dev_private;
 131
 132         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 133                 return 0;
 134
 135         /* Disable *all* interrupts */
 136         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 137                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
 138         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
 139         return 0;
 140 }
 141
 142 static int radeon_resume(struct drm_device *dev)
 143 {
 144         drm_radeon_private_t *dev_priv = dev->dev_private;
 145
 146         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
 147                 return 0;
 148
 149         /* Restore interrupt registers */
 150         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
 151                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
 152         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
 153         return 0;
 154 }
 155
 156 static struct pci_device_id pciidlist[] = {
 157         radeon_PCI_IDS
 158 };
 159
 160 #if defined(CONFIG_DRM_RADEON_KMS)
 161 MODULE_DEVICE_TABLE(pci, pciidlist);
 162 #endif
 163
 164 static struct drm_driver driver_old = {
 165         .driver_features =
 166             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 167             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
 168         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
 169         .load = radeon_driver_load,
 170         .firstopen = radeon_driver_firstopen,
 171         .open = radeon_driver_open,
 172         .preclose = radeon_driver_preclose,
 173         .postclose = radeon_driver_postclose,
 174         .lastclose = radeon_driver_lastclose,
 175         .unload = radeon_driver_unload,
 176         .suspend = radeon_suspend,
 177         .resume = radeon_resume,
 178         .get_vblank_counter = radeon_get_vblank_counter,
 179         .enable_vblank = radeon_enable_vblank,
 180         .disable_vblank = radeon_disable_vblank,
 181         .master_create = radeon_master_create,
 182         .master_destroy = radeon_master_destroy,
 183         .irq_preinstall = radeon_driver_irq_preinstall,
 184         .irq_postinstall = radeon_driver_irq_postinstall,
 185         .irq_uninstall = radeon_driver_irq_uninstall,
 186         .irq_handler = radeon_driver_irq_handler,
 187         .reclaim_buffers = drm_core_reclaim_buffers,
 188         .get_map_ofs = drm_core_get_map_ofs,
 189         .get_reg_ofs = drm_core_get_reg_ofs,
 190         .ioctls = radeon_ioctls,
 191         .dma_ioctl = radeon_cp_buffers,
 192         .fops = {
 193                  .owner = THIS_MODULE,
 194                  .open = drm_open,
 195                  .release = drm_release,
 196                  .ioctl = drm_ioctl,
 197                  .mmap = drm_mmap,
 198                  .poll = drm_poll,
 199                  .fasync = drm_fasync,
 200 #ifdef CONFIG_COMPAT
 201                  .compat_ioctl = radeon_compat_ioctl,
 202 #endif
 203         },
 204
 205         .pci_driver = {
 206                  .name = DRIVER_NAME,
 207                  .id_table = pciidlist,
 208         },
 209
 210         .name = DRIVER_NAME,
 211         .desc = DRIVER_DESC,
 212         .date = DRIVER_DATE,
 213         .major = DRIVER_MAJOR,
 214         .minor = DRIVER_MINOR,
 215         .patchlevel = DRIVER_PATCHLEVEL,
 216 };
 217
 218 #if defined(CONFIG_DRM_RADEON_KMS)
 219 static struct drm_driver kms_driver;
 220
 221 static int __devinit
 222 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 223 {
 224         return drm_get_dev(pdev, ent, &kms_driver);
 225 }
 226
 227 static void
 228 radeon_pci_remove(struct pci_dev *pdev)
 229 {
 230         struct drm_device *dev = pci_get_drvdata(pdev);
 231
 232         drm_put_dev(dev);
 233 }
 234
 235 static int
 236 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 237 {
 238         struct drm_device *dev = pci_get_drvdata(pdev);
 239         return radeon_suspend_kms(dev, state);
 240 }
 241
 242 static int
 243 radeon_pci_resume(struct pci_dev *pdev)
 244 {
 245         struct drm_device *dev = pci_get_drvdata(pdev);
 246         return radeon_resume_kms(dev);
 247 }
 248
 249 static struct drm_driver kms_driver = {
 250         .driver_features =
 251             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 252             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
 253         .dev_priv_size = 0,
 254         .load = radeon_driver_load_kms,
 255         .firstopen = radeon_driver_firstopen_kms,
 256         .open = radeon_driver_open_kms,
 257         .preclose = radeon_driver_preclose_kms,
 258         .postclose = radeon_driver_postclose_kms,
 259         .lastclose = radeon_driver_lastclose_kms,
 260         .unload = radeon_driver_unload_kms,
 261         .suspend = radeon_suspend_kms,
 262         .resume = radeon_resume_kms,
 263         .get_vblank_counter = radeon_get_vblank_counter_kms,
 264         .enable_vblank = radeon_enable_vblank_kms,
 265         .disable_vblank = radeon_disable_vblank_kms,
 266         .master_create = radeon_master_create_kms,
 267         .master_destroy = radeon_master_destroy_kms,
 268 #if defined(CONFIG_DEBUG_FS)
 269         .debugfs_init = radeon_debugfs_init,
 270         .debugfs_cleanup = radeon_debugfs_cleanup,
 271 #endif
 272         .irq_preinstall = radeon_driver_irq_preinstall_kms,
 273         .irq_postinstall = radeon_driver_irq_postinstall_kms,
 274         .irq_uninstall = radeon_driver_irq_uninstall_kms,
 275         .irq_handler = radeon_driver_irq_handler_kms,
 276         .reclaim_buffers = drm_core_reclaim_buffers,
 277         .get_map_ofs = drm_core_get_map_ofs,
 278         .get_reg_ofs = drm_core_get_reg_ofs,
 279         .ioctls = radeon_ioctls_kms,
 280         .gem_init_object = radeon_gem_object_init,
 281         .gem_free_object = radeon_gem_object_free,
 282         .dma_ioctl = radeon_dma_ioctl_kms,
 283         .fops = {
 284                  .owner = THIS_MODULE,
 285                  .open = drm_open,
 286                  .release = drm_release,
 287                  .ioctl = drm_ioctl,
 288                  .mmap = radeon_mmap,
 289                  .poll = drm_poll,
 290                  .fasync = drm_fasync,
 291 #ifdef CONFIG_COMPAT
 292                  .compat_ioctl = NULL,
 293 #endif
 294         },
 295
 296         .pci_driver = {
 297                  .name = DRIVER_NAME,
 298                  .id_table = pciidlist,
 299                  .probe = radeon_pci_probe,
 300                  .remove = radeon_pci_remove,
 301                  .suspend = radeon_pci_suspend,
 302                  .resume = radeon_pci_resume,
 303         },
 304
 305         .name = DRIVER_NAME,
 306         .desc = DRIVER_DESC,
 307         .date = DRIVER_DATE,
 308         .major = KMS_DRIVER_MAJOR,
 309         .minor = KMS_DRIVER_MINOR,
 310         .patchlevel = KMS_DRIVER_PATCHLEVEL,
 311 };
 312 #endif
 313
 314 static struct drm_driver *driver;
 315
 316 static int __init radeon_init(void)
 317 {
 318         driver = &driver_old;
 319         driver->num_ioctls = radeon_max_ioctl;
 320 #if defined(CONFIG_DRM_RADEON_KMS)
 321 #ifdef CONFIG_VGA_CONSOLE
 322         if (vgacon_text_force() && radeon_modeset == -1) {
 323                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
 324                 driver = &driver_old;
 325                 driver->driver_features &= ~DRIVER_MODESET;
 326                 radeon_modeset = 0;
 327         }
 328 #endif
 329         /* if enabled by default */
 330         if (radeon_modeset == -1) {
 331                 DRM_INFO("radeon default to kernel modesetting.\n");
 332                 radeon_modeset = 1;
 333         }
 334         if (radeon_modeset == 1) {
 335                 DRM_INFO("radeon kernel modesetting enabled.\n");
 336                 driver = &kms_driver;
 337                 driver->driver_features |= DRIVER_MODESET;
 338                 driver->num_ioctls = radeon_max_kms_ioctl;
 339         }
 340         /* if the vga console setting is enabled still
 341          * let modprobe override it */
 342 #endif
 343         return drm_init(driver);
 344 }
 345
 346 static void __exit radeon_exit(void)
 347 {
 348         drm_exit(driver);
 349 }
 350
 351 module_init(radeon_init);
 352 module_exit(radeon_exit);
 353
 354 MODULE_AUTHOR(DRIVER_AUTHOR);
 355 MODULE_DESCRIPTION(DRIVER_DESC);
 356 MODULE_LICENSE("GPL and additional rights");